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Is Hanford, CA tap water safe?

3 utilities serve Hanford, by EPA’s records. Here is what EPA’s and California’s records show for each, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

2 of the 3 utilities serving Hanford have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and California’s records: City of Hanford and Hardwick Water Company.

City of Hanford, which serves the most people here, has 1 result above the legal limit and 1 result above the health goal. The worst: Total trihalomethanes (TTHM) at 49.8 ppb, above the legal limit.

The water from City of Hanford is soft, typically 11 mg/L (0.6 grains per gallon). How California’s water compares.

A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Hanford’s ZIP codes, from EPA’s estimates.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in City of Hanford’s water, which serves the most people here. Another utility’s report names what handles its own results.

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Every claim, and more filters, in the full report

Water testing near Hanford

A utility tests the water it sends out. A test of your own tap shows what your pipes add, and on a private well it is the only test there is. It takes a lab California certifies.

The 3 labs California certifies closest to Hanford, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Fruit Growers Laboratory, Inc.

    Visalia, CA · about 13 miles

    Certified for bacteria

    (559) 734-9473

  • Sierra Dairy Laboratory

    Tulare, CA · about 17 miles

    Certified for bacteria

    (559) 686-2070

  • BSK Associates

    Fresno, CA · about 32 miles

    Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts, PFAS, radioactivity

    (559) 497-2888

All 145 certified labs for California

ZIP codes in Hanford

Which ZIP codes are in Hanford: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: California State Water Resources Control Board, ELAP accredited laboratories and their fields of accreditation; distances from the Census 2020 ZIP code tabulation area gazetteer.

Near Hanford

Other towns in Kings County with a page of their own.

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